Peter knows, even before he gets home, which looks wrong swarming with cops and agents. He knows before Elizabeth doesn't answer her phone, almost before the words are out of Matthew Keller's mouth.

It's like he feels it; she's gone.

Raw panic stabs deep - despite all the times he's been in the line of fire, despite being kidnapped by the same criminal himself - it clutches his heart like an icy hand trying to rend it from his chest, still beating.